c61c478feb92380354f9e8373a2544f7305c1395d86f46630bb09c84d583d3c3

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 15:00

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General

Target
7777ebd05671006541bd6ffdf26ab96e.pdf
Size 5KB
Sample231226-sdchxsacbk
SHA256 c61c478feb92380354f9e8373a2544f7305c1395d86f46630bb09c84d583d3c3
MD5 7777ebd05671006541bd6ffdf26ab96e
SHA1 7a6372e5a6db2f3b755af28e132ab09aa8f1fdef
SHA512 f2fb97f52860abc7996de2b66fa36d3a8dc9421cc4c35ee28c3a910e4621cfb288a0e8f3c587fbee295863c96d2f290044a912a9c52ec274b06ca6a58d00b488
SSDEEP 96:nG1oBwJh5j/GTQ09+mg+snVqlEcINlfWnl702B7dgqJPItMRpMLY9lhuWJaE0:nG2mJhBGT2mg+snyEz/O1ZZdgq5fMkHa
MD5 SHA1 SHA512 SSDEEP

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 3980	3680	AcroRd32.exe	93
PID 3680 wrote to memory of 3980	3680	AcroRd32.exe	93
PID 3680 wrote to memory of 3980	3680	AcroRd32.exe	93
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 3192	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95
PID 3980 wrote to memory of 2020	3980	RdrCEF.exe	95

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\7777ebd05671006541bd6ffdf26ab96e.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3980
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=606ECDBDE3B7F612733441326005B545 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3192
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=E46C2197067233626D4B227A74C0055F --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=E46C2197067233626D4B227A74C0055F --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2020
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=88513FCB16F7A5B917D6046136346D88 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:836
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=3C8B21BBAED48343471569CC590056F1 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=6327D50381D57A7EC56CC7E6C84DF838 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4688
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=39D249804BD19D05BE34554A0BEBA9CE --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=39D249804BD19D05BE34554A0BEBA9CE --renderer-client-id=7 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3320

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 7156d9442b857ba0ffce575376af54daa99c62d634c574d64dea7518b52af2ec
MD5 4bc1e73d2bb45a3f55c04dd41d1bbd89
SHA1 9236f08440eeca784648db8f81311111460ad1cb
SHA512 29d7e1546d1481dc22f71b87ef9067b422689c816e8cfaaed514d72f59c8d0578fe033ad2821217678596e2b4d336712bcf81d26e1f929777128218386c69f3a
SSDEEP 384:ye7dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:G+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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